Logitech Harmony Smart Keyboard for Living Room Control of 8 Devices and Streaming Entertainment Living room TV keyboard/touchpad: Simplifies text entry/searches on Internet-connected entertainment devices One-touch Activity control: Press one button, like "Watch A Movie", and the right devices power on and switch to the right settings Harmony App: Supplements keyboard controls to turns household smartphones and tablets into personal entertainment controllers Closed-cabinet control: Controls up to 8 devices, even ones hidden behind cabinet doors and walls Works with over 270,000 devices: Controls cable TV, Apple TV, Roku, Sonos, Amazon Fire TV, Phillips hue, Xbox One, PS3 and TV-connected PC or Mac